Team

Chief Executive Officer
Jeff Wakker
Jeff brings over 35 years years of experience in global dry bulk shipping, with a career rooted in commercial chartering. He has operated across market cycles, combining hands-on trading experience with strategical vision. At Viterra Chartering, whilst responsible for the overall management, he initiated both decarbonization and digitalization to become strategic pillars of the company.
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His specific experience positions him at the intersection of commercial shipping realities and the industry’s decarbonisation challenge, with a clear focus on practical and commercially viable transition pathways.
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Jeff has also been actively involved in industry initiatives such as the Sea Cargo Charter and has been advisory director at Pherousa since May 2025.

Contracted Chief Technical Officer (CTO)
Thomas Chalkidis
Chief Technical Officer (CTO), Metacon Group, Managing Director (MD) Metacon S.A. (Greece)
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MEng, MSc and PhD Degree in Chemical Engineering from the University of Patras
Solid experience in hydrogen production. Worked at Metacon S.A. over 18 years with a focus on team management, development and implementation of innovative processes and project management. Areas of expertise are heterogeneous catalysis, reactor design, catalyst development, process design and optimization, HazOp studies and NOx pollution reduction.

Contracted Chief Financial Officer (CFO)
Mattias Jansson
Chief Financial Officer (CFO), Metacon Group
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Master´s degree in Business and Economics, Uppsala University.
20 years of experience in leading and developing businesses, finance processes and finance organizations, most of which in different finance manager and director roles in high-growth companies.

Contracted Chief People Officer (CPO)
Hanna Holtz Wärenfeldt
Chief People Officer (CPO), Metacon Group
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Bachelor’s degree in human resources, Lund University
Extensive experience in strategic HR work in private, public, and municipal sectors. Many years of experience as a manager and leader in large, complex organisations. Deep knowledge in leadership, management, and organisational development. Passionate about fostering a positive work environment and implementing innovative HR strategies that align with the organisation's goals and values.

Board Member
Maria Paz de la Cruz S.
Power industry expert with over 25 years of experience in energy transition. Currently a Board Member of the I-TRACK Standard Foundation, supporting the development of a certification system for hydrogen and its derivatives.
Previously Board Member of the Green Hydrogen Organization (gh2.org) and as head of H2 Chile (Chilean Hydrogen Association).


